﻿using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using DA;
namespace Businis
{
    public class danhsachkhoi_BUS
    {
        danhsachkhoi_DA khoida = new danhsachkhoi_DA();
        public object layallkhoi()
        {
            return khoida.layallkhoi();
        }
    }
}
